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Vanderbilt Pathology Laboratory Services

Test Directory



DIGOXIN BLOOD (DIG)

Department: Toxicology
Test Synonym(s): DIG
CPT Codes: 80162
Methodology: Latex Microparticle Agglutination
Reference Range: 0-150 yrs: Therapeutic range: 0.8 - 2.0 ng/mL
Tube Type: Dark green top (Sodium Heparin)
Specimen: Blood
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 1 dark green microtainer
Volume: 5 mL blood
Minimum Volume: 0.5 mL serum or plasma
Temperature: See special instructions
Stability: Refrigerated (2-8 C): 2 days; frozen (-20 C) for longer storage
Reasons for Rejection: Patient on Digibind; Hemolysis
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour, routine: 2 hours
Special Instructions: Draw immediately before next dose - refrigerate if not delivered immediately. Draw before administration of therapeutic antibodies - results are falsely elevated after administration.

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